LXR linux/tools/testing/selftests/bpf/progs/test

   1// SPDX-License-Identifier: GPL-2.0
   2// Copyright (c) 2017 Facebook
   3
   4#include <linux/bpf.h>
   5#include <bpf/bpf_helpers.h>
   6
   7/* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */
   8struct sched_switch_args {
   9        unsigned long long pad;
  10        char prev_comm[16];
  11        int prev_pid;
  12        int prev_prio;
  13        long long prev_state;
  14        char next_comm[16];
  15        int next_pid;
  16        int next_prio;
  17};
  18
  19SEC("tracepoint/sched/sched_switch")
  20int oncpu(struct sched_switch_args *ctx)
  21{
  22        return 0;
  23}
  24
  25char _license[] SEC("license") = "GPL";
  26__u32 _version SEC("version") = 1; /* ignored by tracepoints, required by libbpf.a */
  27